The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1998
Filed:
Mar. 13, 1997
Applicant:
Inventors:
Gerald J Brand, Derry, NH (US);
Don L Drinkwater, Carlisle, MA (US);
Assignee:
Digital Equipment Corporation, Maynard, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
H02M / ; H02J / ;
U.S. Cl.
CPC ...
363144 ; 363 65 ; 307 66 ;
Abstract
An architecture, module set and platform to provide total power protection from utility disturbances. Power supplies employing the invention are built on power buses for utility AC input, battery DC input and conditioned AC output housed in the platform and employ modular line-to-AC-or-DC power-factor-correcting converters and battery/charger sets either housed in the platform or integrated as part of the front end power supply for a critical load such as a computer.